RE: [IMail Forum] AT&T blocking SMTP port?

[E. Mark Kothe]

I use flash.net for a ppp dialup connection, and they recently (last week)
started blocking port 25 to anything but their own SMTP server. It just adds
another hop to some of my outbound mail.

Mark

-----Original Message-----
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Sent: Friday, May 26, 2000 2:25 PM
To: [EMAIL PROTECTED]
Subject: [IMail Forum] AT&T blocking SMTP port?


I heard recently that there was a large ISP that was blocking their dialup
users from sending to port 25 (SMTP).  It appears that AT&T is now doing the
same thing; can anyone confirm this?

When a user dialed into AT&T, he could telnet to port 110 (POP3) but not
port 25.  I double-checked to make sure from a different machine that port
25 was indeed responding.  The only assumption I can make is that either
AT&T is now blocking port 25, or there was a very, very unusual problem.
                             -Scott
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